Merge pull request #10027 from MrPetovan/task/9950-improve-maintenance-page

Improve maintenance page

src/App.php

@@ -24,6 +24,8 @@ namespace Friendica;
 use Exception;
 use Friendica\App\Arguments;
 use Friendica\App\BaseURL;
+use Friendica\App\Module;
+use Friendica\Module\Maintenance;
 use Friendica\Security\Authentication;
 use Friendica\Core\Config\Cache;
 use Friendica\Core\Config\IConfig;
@@ -499,8 +501,6 @@ class App
 			// but we need "view" module for stylesheet
 			if ($this->mode->isInstall() && $moduleName !== 'install') {
 				$this->baseURL->redirect('install');
-			} elseif (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED) && $moduleName !== 'maintenance') {
-				$this->baseURL->redirect('maintenance');
 			} else {
 				$this->checkURL();
 				Core\Update::check($this->getBasePath(), false, $this->mode);
@@ -544,9 +544,13 @@ class App
 			// Initialize module that can set the current theme in the init() method, either directly or via App->profile_uid
 			$page['page_title'] = $moduleName;
 
-			// determine the module class and save it to the module instance
-			// @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
-			$module = $module->determineClass($this->args, $router, $this->config);
+			if (!$this->mode->isInstall() && !$this->mode->has(App\Mode::MAINTENANCEDISABLED)) {
+				$module = new Module('maintenance', Maintenance::class);
+			} else {
+				// determine the module class and save it to the module instance
+				// @todo there's an implicit dependency due SESSION::start(), so it has to be called here (yet)
+				$module = $module->determineClass($this->args, $router, $this->config);
+			}
 
 			// Let the module run it's internal process (init, get, post, ...)
 			$module->run($this->l10n, $this->baseURL, $this->logger, $this->profiler, $_SERVER, $_POST);

src/Module/Maintenance.php

@@ -22,6 +22,7 @@
 namespace Friendica\Module;
 
 use Friendica\BaseModule;
+use Friendica\Core\Renderer;
 use Friendica\Core\System;
 use Friendica\DI;
 use Friendica\Network\HTTPException;
@@ -43,7 +44,17 @@ class Maintenance extends BaseModule
 		}
 
 		$exception = new HTTPException\ServiceUnavailableException($reason);
-		$exception->httpdesc = DI::l10n()->t('System down for maintenance');
-		throw $exception;
+
+		header($_SERVER["SERVER_PROTOCOL"] . ' ' . $exception->getCode() . ' ' . DI::l10n()->t('System down for maintenance'));
+
+		$tpl = Renderer::getMarkupTemplate('exception.tpl');
+
+		return Renderer::replaceMacros($tpl, [
+			'$title' => DI::l10n()->t('System down for maintenance'),
+			'$message' => DI::l10n()->t('This Friendica node is currently in maintenance mode, either automatically because it is self-updating or manually by the node administrator. This condition should be temporary, please come back in a few minutes.'),
+			'$thrown' => $reason,
+			'$stack_trace' => '',
+			'$trace' => '',
+		]);
 	}
 }

static/routes.config.php

@@ -303,7 +303,6 @@ return [
 	'/login'              => [Module\Security\Login::class,  [R::GET, R::POST]],
 	'/logout'             => [Module\Security\Logout::class, [R::GET, R::POST]],
 	'/magic'              => [Module\Magic::class,           [R::GET]],
-	'/maintenance'        => [Module\Maintenance::class,     [R::GET]],
 	'/manifest'           => [Module\Manifest::class,        [R::GET]],
 	'/friendica.webmanifest'  => [Module\Manifest::class,    [R::GET]],
 	'/modexp/{nick}'      => [Module\PublicRSAKey::class,    [R::GET]],

view/templates/exception.tpl

@@ -7,5 +7,7 @@
 {{$stack_trace}}
 {{$trace}}</pre>
 {{/if}}
+{{if $back}}
 	<p><button type="button" onclick="window.history.back()" class="btn btn-primary">{{$back}}</button></p>
+{{/if}}
 </div>